Dr. C P Ravi Kumar
Dr. C. P. Ravi Kumar Lead & Senior Consultant – Paediatric Neurology, The Krishna Institute of Medical Sciences (KIMS), Mahadevapura, Bangalore
What is Methylphenidate?
Methylphenidate is a CNS stimulant, used to treat attention-deficit hyperactivity disorder (ADHD) by enhancing focus and decreasing impulsivity. It can also be prescribed for narcolepsy, as it helps promote wakefulness.
What does Methylphenidate treat?
- Attention deficit hyperactivity disorder
- Narcolepsy
- Major depressive disorder (off label)
What are the uses in children?
- Attention deficit hyperactivity disorder
- Narcolepsy
How is methylphenidate sold or available in the market?
- Oral tablets
- Prolonged-release tablets
How does methylphenidate function?
The drug methylphenidate belongs to a category of drugs known as stimulants. It works by boosting the activity of certain brain chemicals, mainly dopamine and norepinephrine, which improve concentration and help manage impulsive behaviour.
This helps people with ADHD stay focused and reduces hyperactivity. It also helps those with narcolepsy stay alert during the day.
What need to be discussed with my doctor before starting methylphenidate?
- Any other medicines you’re taking
- Heart problems such as structural abnormalities, irregular heartbeat, high blood pressure, a recent heart attack, or a family history of sudden cardiac death.
How and when methylphenidate should be consumed?
- Once-daily dosing: Take it in the morning, after breakfast, to start your day right.
- Twice-daily dosing: Take one dose in the morning, after breakfast and the second dose in the evening (after meals), making sure the last dose is before 6 PM.
- Try to take it at the same time every day—that helps it work better! Just don’t take it too close to bedtime, or it might keep you up at night.
- Tablets: Take as prescribed and continue even if you start feeling better. Do not stop on your own.
- Prolonged-release tablets: Swallow the tablet whole; do not crush or chew it.
What action should you take if you miss a dose?
- Consume the missed dose after remembering it.
- Do not double the dose by taking the medication twice to make up for the missed dose.
- Setting an alarm clock could help you remember to take your medication if you often forget to do so.
- Contact your doctor for advice on what to do if you miss two or more doses.
- Over time, it might stop working as well — don’t increase the dose yourself; tell your doctor.
- Visit your doctor regularly to check your progress; it may take a few weeks to feel the full benefit.
Does methylphenidate show its effect immediately?
You may notice some effects within 1 to 2 hours, but it can take up to 2 weeks to feel the full benefits.
Is there any harm in drinking alcohol if I take methylphenidate?
Yes. Drinking alcohol can make side effects worse and affect how extended-release methylphenidate works.
Who should avoid taking methylphenidate?
- Unless prescribed, don’t self-medicate.
- Anyone with a history of tics, Tourette’s, serious high blood pressure, or heart issues.
- If you have glaucoma or an overactive thyroid, it’s best to avoid it.
- People with liver problems should be careful.
What foods to be avoided while taking methylphenidate?
Limit caffeinated drinks such as coffee, tea, or energy beverages, as they may increase restlessness, jitteriness, or rapid heartbeat when combined with methylphenidate.
Can I stop taking methylphenidate, once I start feeling better?
Do not discontinue methylphenidate abruptly, as it may lead to withdrawal problems such as low mood or depression. Always taper under medical guidance
What are the side effects of methylphenidate? (Lexicomp)
Like all medicines, methylphenidate can cause side effects, although not everyone will experience them.
Taking methylphenidate could result in certain side effects. If any of these symptoms intensify and do not go away, rush to your doctor right away.
Common side effects
- Brain / Mind: Trouble sleeping, nervousness, irritability
- Heart / Blood vessels: Faster heartbeat
- Stomach / Digestive: Loss of appetite, stomach upset
Rare side effects: (Seek medical attention immediately)
- Heart: Chest pain, arrhythmia
- Skin: Rash, hives, swelling
- Limbs: Fingers/toes pale or cold
- Nervous system: Seizures, Severe mood changes, psychosis
How to cope up with side effects of Methylphenidate
- Loss of appetite: Take after meals, eat high-calorie food, and monitor weight.
- Insomnia: Avoid late doses, limit caffeine, and follow good sleep habits.
- Headache: Stay hydrated, take medicine with food, use paracetamol if needed.
- Nausea/stomach pain: Take after food; usually improves in a few days.
- Anxiety/fast heartbeat: Avoid caffeine, stay calm, and ask doctor if persistent.
- Dry mouth: Sip water often or chew sugar-free gum.
- Mood changes / dizziness: Track timing; may need dose/form adjustment. Do not drive or operate machinery if you feel dizzy or restless.
- Tics or jerks: Report to doctor immediately.
What medications should I avoid while taking methylphenidate?
Before starting methylphenidate, always tell your doctor about any medicines, vitamins, or supplements you are taking. Use caution with medications for blood pressure, heart problems, or mental health conditions, as methylphenidate can interact and increase side effects or reduce their effectiveness. You should also be aware of drug interactions between methylphenidate and monoamine oxidase inhibitors like selegiline or Isocarboxazid, anti-seizure medicines (carbamazepine and Valproate), and Linezolid.
Do not take any OTC/ herbal medications without informing to the doctor.
Is it safe to take methylphenidate during pregnancy?
Not recommended. Only use if your doctor believes the benefits are greater than the risks to the baby.
SUMMARY:
Methylphenidate is a stimulant used for ADHD and narcolepsy, improving focus, reducing impulsivity, and promoting wakefulness. Take as prescribed—once in the morning or twice daily with the last dose before 6 PM. Tell your doctor about all medicines and health conditions, and avoid alcohol, caffeine, and certain heart, depression, seizure, or MAO inhibitor drugs. Side effects may include nausea, headache, dry mouth, insomnia, or fast heartbeat. Do not stop abruptly. Methylphenidate is not recommended during pregnancy unless your doctor determines that the benefits outweigh the risks to the baby, and it should be used with caution while breastfeeding.
Let us know if this has helped!
REFERENCE:
Author:
- Dr. Likitha B S, Pharm. D, Clinical Pharmacologist, Aster Hospitals, Bengaluru
- Dr Praveen Kumar, B. Pharm, Pharm D(PB), Lead Clinical Pharmacologist, REGIONAL HEAD KIMS Hospitals, Bengaluru
- Dr. C. P. Ravi Kumar Lead & Senior Consultant – Paediatric Neurology KIMS HOSPITALS BENGALURU
